1 files changed, 76 insertions, 0 deletions
diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/container/metrics/DimensionMetrics.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/container/metrics/DimensionMetrics.java
new file mode 100644
index 00000000000..929fcde9492
--- /dev/null
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/container/metrics/DimensionMetrics.java
@@ -0,0 +1,76 @@
+// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.hosted.node.admin.container.metrics;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * @author freva
+ */
+public class DimensionMetrics {
+
+    private final String application;
+    private final Dimensions dimensions;
+    private final Map<String, Number> metrics;
+
+    DimensionMetrics(String application, Dimensions dimensions, Map<String, Number> metrics) {
+        this.application = Objects.requireNonNull(application);
+        this.dimensions = Objects.requireNonNull(dimensions);
+        this.metrics = metrics.entrySet().stream()
+                .filter(DimensionMetrics::metricIsFinite)
+                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+    }
+
+    public String getApplication() {
+        return application;
+    }
+
+    public Dimensions getDimensions() {
+        return dimensions;
+    }
+
+    public Map<String, Number> getMetrics() {
+        return metrics;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        DimensionMetrics that = (DimensionMetrics) o;
+        return application.equals(that.application) &&
+                dimensions.equals(that.dimensions) &&
+                metrics.equals(that.metrics);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(application, dimensions, metrics);
+    }
+
+    private static boolean metricIsFinite(Map.Entry<String, Number> metric) {
+        return ! (metric.getValue() instanceof Double) || Double.isFinite((double) metric.getValue());
+    }
+
+    public static class Builder {
+        private final String application;
+        private final Dimensions dimensions;
+        private final Map<String, Number> metrics = new HashMap<>();
+
+        public Builder(String application, Dimensions dimensions) {
+            this.application = application;
+            this.dimensions = dimensions;
+        }
+
+        public Builder withMetric(String metricName, Number metricValue) {
+            metrics.put(metricName, metricValue);
+            return this;
+        }
+
+        public DimensionMetrics build() {
+            return new DimensionMetrics(application, dimensions, metrics);
+        }
+    }
+}